A. Unless context otherwise requires, the following terms when used in this Subpart shall be given the meanings assigned below:

(1) "Fire employee" includes any person employed in the fire department of any municipality, parish, or fire protection district maintaining a full-time regularly paid fire department, regardless of the specific duties of such person within the fire department, and who is under investigation with a view to possible disciplinary action, demotion, or dismissal.

(2) "Interrogation" includes but is not limited to any formal interview, inquiry, or questioning of any fire employee by the appointing authority or the appointing authority's designee regarding misconduct, allegations of misconduct, or policy violation. An initial inquiry conducted by the fire employee's immediate supervisors shall not be considered an interrogation.

B. Whenever a fire employee is under investigation, the following minimum standards shall apply:

(1) Prior to commencing a formal investigation of a fire employee, the appointing authority shall notify the employee in writing of the nature of the investigation, of the identity and authority of the person conducting such investigation, and of the specific charges or violations being investigated.

(2) The fire employee being investigated shall be informed in writing at the commencement of any interrogation of the nature of the investigation, of the identity and authority of the person conducting such investigation, of the identity of all persons present during such interrogation, and of the specific charges or violations being investigated. The fire employee shall be allowed to make notes.

(3) Any interrogation of a fire employee in connection with an investigation shall be for a reasonable period of time and shall allow for reasonable periods for the rest and personal necessities of such fire employee.

(4) All interrogations of any fire employee in connection with the investigation shall be recorded in full. The fire employee shall not be prohibited from obtaining a copy of the recording or transcript of the recording of his statements, upon submitting a written request to the fire chief.

(5) The fire employee shall be entitled to the presence of his counsel or representative, or both, at any interrogation in connection with the investigation. The fire employee's representative or counsel shall be allowed to offer advice to the employee and to make statements on the record at any interrogation in the course of the investigation.

(6) The counsel or representative for the fire employee under investigation may call witnesses to testify on the employee's behalf.

(7) No statement made by a fire employee during the course of an administrative investigation shall be admissible in a criminal proceeding.

C. No fire employee shall be disciplined, demoted, dismissed or be subject to any adverse action unless the investigation is conducted in accordance with this Subpart. Any discipline, demotion, dismissal or adverse action of any sort taken against a fire employee without complete compliance with the provisions of this Subpart is an absolute nullity.